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Also known as: Excessive Multi-Posting, multiposting
Excessive Multi-Posting, the practice of sending substantively identical articles separately to many newsgroups instead of crossposting one article to all of them. It defeats the reader-side crosspost filtering that would otherwise show a message once, and it multiplies storage in every group. EMP is one of the two behaviors the Breidbart Index measures, and it counted as spam regardless of content.
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